Home / 3,369.48-5,057.82-2,981.95

Finding the Fourth Proportional to 3,369.48, 5,057.82 and 2,981.95

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Solution

The fourth proportional to 3,369.48, 5,057.82 and 2,981.95 is: 4,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.48 : 5,057.82 = 2,981.95 : x
  2. Step 2: Convert to fraction form
    3,369.48/5,057.82 = 2,981.95/x
  3. Step 3: Cross multiply
    3,369.48x = 5,057.82 × 2,981.95
  4. Step 4: Simplify right side
    3,369.48x = 15,082,163.19
  5. Step 5: Solve for x
    x = 15,082,163.19/3,369.48
  6. Step 6: Final answer
    x = 4,476.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.